XMP text value to Rational conversion.

1 files changed, 7 insertions, 1 deletions

diff --git a/src/pyexiv2/xmp.py b/src/pyexiv2/xmp.py
index c66a754..f2f9d2e 100644
--- a/src/pyexiv2/xmp.py
+++ b/src/pyexiv2/xmp.py
@@ -26,7 +26,7 @@
 
 import libexiv2python
 
-from pyexiv2.utils import FixedOffset
+from pyexiv2.utils import FixedOffset, Rational
 
 import datetime
 import re
@@ -247,6 +247,12 @@ class XmpTag(object):
             except ValueError:
                 raise XmpValueError(value, type)
 
+        elif type == 'Rational':
+            try:
+                return Rational.from_string(value)
+            except (ValueError, ZeroDivisionError):
+                raise XmpValueError(value, type)
+
         elif type == 'Real':
             # TODO
             raise NotImplementedError('XMP conversion for type [%s]' % type)